WCPZ Mix 102.7

RoschetzkyIstockPhoto/iStockBy MARLENE LENTHANG, ABC News (HARRIS COUNTY, Texas) — A $1 billion class-action lawsuit has been filed against Texas wholesale electricity retailer Griddy Energy for allegedly charging exorbitant prices during last week’s historic storm that left millions powerless in the freezing cold. The lawsuit was filed on behalf of Chambers County resident Lisa Khoury in Harris County on Monday, who claimed her electricity bill soared to $9,340 the week of the storm. According to the lawsuit, her average monthly bills typically range from $200 to $250. She said Griddy automatically withdrew $1,200 from her bank account from Feb. 13 to …